CN1319318C - Interactive digital broadcast system and method - Google Patents

Interactive digital broadcast system and method Download PDF

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Publication number
CN1319318C
CN1319318C CNB2004100884672A CN200410088467A CN1319318C CN 1319318 C CN1319318 C CN 1319318C CN B2004100884672 A CNB2004100884672 A CN B2004100884672A CN 200410088467 A CN200410088467 A CN 200410088467A CN 1319318 C CN1319318 C CN 1319318C
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China
Prior art keywords
score
answer
program
server
code
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Expired - Fee Related
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CNB2004100884672A
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Chinese (zh)
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CN1604533A (en
Inventor
黄杉榕
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E Ten Information Systems Co Ltd
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E Ten Information Systems Co Ltd
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Abstract

The present invention relates to an interactive digital broadcast system which comprises a server for broadcasting a program, a question, a standard answer, a receiver and a communication die set, wherein the question aims at the content of the program; the standard answer corresponds to the question; the receiver comprises a play die set, a display die set and a mark die set; the play die set plays the program; the display die set displays the problem; the mark die set compares the standard answer with a response answer inputted by a user and obtains a score code corresponding to the response answer based on the calculation of a conversion formula; the communication die set sends the score code to the server to make the server obtain a real score corresponding to the score code through the calculation of a reduction formula. The work of calculation and scoring is scattered to the end of the receiver so as to lighten the calculation load of the end of the server and increase the number of service people for the interaction and the participation of a plurality of users.

Description

Interactive digital broadcast system and method
Technical field
The present invention is about a kind of digit broadcasting system and method, refers in particular to a kind ofly to form interactive interactive digital broadcast system and method in server end and receiver end.
Background technology
Constantly weed out the old and bring forth the new with TV (video) or message (audio) broadcast program type, the interaction of emphasizing in recent years and seeing between (listening) crowd participates in, and has become the main demand of many programs.For example, in the classical music broadcast program of some live play, often provide the audience to dial and (promptly practise the call-in mode that claims), answer song title or composer's title to the broadcasting station, the person of answering questions is then furnished prizes by the broadcasting station, with the participation and the lifting audience rating of encouraging the audience.
The existing broadcasting interactive mode of this kind has some shortcomings, at first, because of the work of judging audience's answer correctness concentrates on the radio station end fully and carries out with artificial (being generally the host), thus only can serve single or minority in the short time, and normal appearance the line is busy the audience can't broadcast into awkward situation; Moreover, and owing to be correctness with the artificial judgment answer, so often exercise question quantity can't be too much or is too complicated, otherwise will increase judgement time and error rate, ask a question with voice mode in the program scene because of the host simultaneously, so if problem quantity is more or complicated, unless the audience writes down with pen or other equipments of recording separately, otherwise real difficulty is kept problem content firmly in mind and is more deceived opinion and further correctly answer.Based on difficulty in the above-mentioned actual operation and restriction, thus present its exercise question of the interactive program of this kind often extremely simple (as only answering the composer of a song) and can't enriching, and on service number and efficient, also can't effectively promote.
Simultaneously, with the rise of (comprising image and message) of digital broadcasting in recent years, how based on its broadcast program and related service information (Service Information, characteristic SI) simultaneously, improving the inconvenience of existing interactive broadcasting program, is to be research and development emphasis of the present invention.
Summary of the invention
Monic purpose of the present invention is providing a kind of interactive digital broadcast system and method that promotes efficiency of service.
An of the present invention purpose providing a kind of rich interactive digital broadcast system of problem content and method of increasing.
So interactive digital broadcast system of the present invention comprises: a server, broadcast a program, at the problem of this programme content and a pair of model answer that should problem, this server also stores a reduction-type; And a receiver, comprise: one receives module, and this server receives this program, this problem and this model answer certainly; One plays module, plays this program; One shows module, shows this problem; One input unit, for user input to the answer of answering that should problem; And a scoring module, relatively this model answer and this answer of answering, and obtain the corresponding score code of this answer of answering with the reverse change type computing of this reduction-type according to one; One communication module group transmits this score code to this server, and via this reduction-type, computing obtains the actual score of this score code correspondence to this server of confession with this score code.
The present invention also discloses a kind of digit broadcasting receiver, receive a program, at the problem of this programme content and a pair of model answer that should problem from a server, this receiver comprises: one receives module, and this server receives this program, this problem and this model answer certainly; One plays module, plays this program; One shows module, shows this problem; One input unit, for user input to the answer of answering that should problem; And a scoring module, relatively this model answer and this answer of answering, and obtain the corresponding score code of this answer of answering with the reverse change type computing of this reduction-type according to one; One communication module group transmits this score code to this server, and via this reduction-type, computing obtains the actual score of this score code correspondence to this server of confession with this score code.
The present invention discloses a kind of interactive digital broadcast method in addition, is applied to a digit broadcasting receiver, this method comprise the steps: a. from a server receive a program, at least one at this programme content problem and at least one pair of should problem model answer; B. play this program; C. show this problem; D. receive user input to the answer of answering that should problem; E. relatively this model answer and this are answered answer and are obtained an actual score; F. change this and actually must be divided into a score code; G. show this score code, this score code is sent to this server, obtain this actual score according to this score code for this server for a user.
The present invention discloses a kind of interactive digital broadcast method in addition, is applied to a digital broadcast service device, this method comprise the steps: a. broadcast a program, at least one at this programme content problem and at least one pair of should problem model answer to a receiver; B. receive a score code, this score code be this receiver relatively this model answer and one by user input answer answer after a change type obtained; C. this score code is obtained this actual score via one with the reverse reduction-type of this change type.
The present invention discloses a kind of digital broadcast method simultaneously, is applied to a digit broadcasting receiver, this method comprise the steps: a. receive a program, at least one at this programme content problem and at least one pair of should problem model answer; B. play this program; C. show this problem; D. receive user input to the answer of answering that should problem; E. relatively this model answer and this are answered answer and are obtained an actual score; F. show this actual score.
Description of drawings
Fig. 1 is the system schematic of interactive digital broadcast system preferred embodiment of the present invention;
Fig. 2 is the main square configuration figure of the digit broadcasting receiver among Fig. 1;
Fig. 3 is an implementing procedure figure of interactive digital broadcast method of the present invention preferred embodiment;
Fig. 4 is the implementing procedure figure of digital broadcast method one embodiment of the present invention.
The figure number explanation
1 digital broadcast service device, 2 receivers
11 handle module 12 stores module
13 emitting mould train, 14 communication module group
31 message programs, 32 programme informations
322 model answers of 321 problems
21 receive module 22 handles module
23 play module 24 shows module
25 input modules 26 store module
27 scoring modules, 28 communication module group
241 indicative control units, 242 LCDs
251 contact panels, 252 identifiers
33 identity informations, 271 comparing units
The answer of answering of 272 converting units 323
324 actual score 325 score codes
The 401-415 implementation step
Embodiment
As shown in Figure 1, the preferred embodiment of interactive digital broadcast system of the present invention is included in the digital broadcast service device 1 and the receiver (receiver) 2 that operate under the digital broadcasting framework.Receiver 2 presents with handheld electronic device (hand-held device) kenel in the present embodiment, right as install in be built in vehicle-carried instrument board or other suitable fixing or Portable kenel is also applicable naturally.In addition, digital broadcasting is that (Digital Audio Broadcast DAB) is example, and so its principle is naturally also applicable to the digital audio-video broadcast world that receives for Digital Television, and is not limited to wireless or wire transmission with digital audio broadcasting in the present embodiment.
Cooperate shown in Fig. 1,2, broadcasting server 1 mainly comprises one and handles module 11, storage module 12, an emitting mould train 13 and a communication module group 14, be used to handle under the control of module 11, one message program 31 and a program information corresponding 32 signals are launched in the digital broadcasting mode via emitting mould train 13, received for a plurality of receivers (receiver 2 one only is shown among the figure).Especially special person comprises a plurality of problems 321 that produced at these message program 31 contents in the programme information 32, and the model answer 322 of a plurality of respectively corresponding each problem 321.Message program 31 is to be example with a classical music program in the present embodiment, and 321 of problems that comprises in the programme information 32 are for bent name, the composer of the classical music play in this program 31 and deliver the age.Certainly, in other is used, above-mentioned message program 31 and problem 321 also can be done other many variation, and for example message program 31 can be an English on Air educational programme, and 321 of its correspondence problems are the hearing test examination paper at one section English dialogue of broadcasting in the program 31.In addition, store module 12 and store a reduction-type (figure does not show), it acts on the back and describes in detail.14 of communication module group are transmitted messages according to GSM Mobile Communications agreement and receiver 2, and its effect is also described in detail in the back.
Because the technology that broadcasting server 1 is broadcast message program 31 and corresponding programme information 32 has belonged to prior art, do not describe in detail with regard to the detailed composition and the function mode of broadcasting server 1 in this.And " broadcasting server " speech is all the required software and hardware assemblies of data storage, emission, reception that include for described in this specification in this specification, but not exceeds with a computer or other particular element.
Receiver 2 mainly comprises a reception module 21, and handles module 22, a broadcast module 23, a demonstration module 24, an input module 25, a storage module 26, a scoring module 27 and a communication module group 28.
Reception module 21 has an antenna, a station selector (tuner), an analog/digital converter (figure does not all show) and other is for receiving above-mentioned message program 31 and programme information 32 signals and transfer the required element of digital signal to from broadcasting server 1.Handle that module 22 has a demodulator, a decoder (figure does not all show) and other will receive digital signal demodulation and the decoding that module 21 produces, to produce the required element of signal that is suitable for playing module 23 respectively and shows module 24 broadcasts.Belong to prior art but not feature of the present invention owing to receive module 21 and handle module 22, so its details is in this not elsewhere specified (NES).
Playing module 23 in the present embodiment is example with a loud speaker (speaker), broadcasts in order to the message program 31 that will handle after module 22 is handled.Show that module 24 mainly comprises an indicative control unit 241 and a LCDs 242.It is example that indicative control unit 241 is stored in the program that stores module 26 with one, in order to after handling module 22 program receiving information 32 certainly and being judged, make information such as other literal that each problem 321 that LCDs 242 comprised according to predetermined format displays program information 32 contents or broadcasting server 1 broadcast, figure, 322 of model answers that comprise in the right programme information 32 do not show and are stored in and store module 26.It is aforementioned to continue, play module 23 in the present embodiment and play the message program 31 of a classical music kenel, show that module 24 then shows the bent name of each classical music of playing in this program 31, composer with literal and delivers problem 321 such as age, and each problem 321 is in the multiple-choice question mode for it, but other changes in the example and can also fill in or other suitable mode by question-and-answer problem.
Input module 25 mainly comprises a contact panel 251 that is incorporated into LCDs 242 in the present embodiment, and one according to contact panel 251 touch positions the identification identifier 252 of its corresponding meaning relatively, click correspondence position on the contact panel 251 for the user with a pointer (figure does not show), importing answer 323 options of answering of a plurality of corresponding respectively each problem 321, and give identification by identifier 252.
Storing module 26 and be with a flash memory (flash memory) be example, and it stores outside the model answer 322 in the programme information 32 as described above, and stores the user and see through and import module 25 and import and the identity information 33 relevant with user's personal information.Identity information 33 comprises user's name, address and phone in the present embodiment, and its effect is detailed later.
Scoring module 27 is that to be stored in the program that stores module 26 with one be example, and comprises a comparing unit 271 and a converting unit 272.Comparing unit 271 is in order to receive the answer answer 323 of user via 25 inputs of input module, and with above-mentioned be stored in the model answer 322 relatively that stores module 26 after, obtain an actual score 324 according to default standards of grading, the answer 323 of for example answering conforms in 100 minutes fully with model answer 322, only has half to conform to then in 50 minutes.The actual score 324 that converting unit 272 further obtains comparing unit 271, bring a default change type into (as an existing calculation formula of encrypting together with being stored in the identity information 33 that stores module 26, figure does not show), computing obtains a score code 325, for example irregular random number or other kenels such as " y9bg0*1j ".Only need the person of pointing out, above-mentioned score 324 is not to be defined in digital form, and it is all applicable for example to be divided into A, B, C grade or other suitable comparation and assessment mode.
Communication module group 28 is to transmit message according to the communication module group 14 of GSM Mobile Communications agreement and broadcasting server 1 in the present embodiment.After 27 computings of scoring module obtained score code 325, promptly transmission display module 24 showed that score code 325 supplies the user to know, the user sees through the communication module group 14 that communication module group 28 is uploaded to score code 325 broadcasting server 1 again.The reduction-type that the storage module 12 of broadcasting server 1 is stored, its calculation logic is suitable can oppositely to be reduced to its input with the output of the change type of scoring module 27, thus, broadcasting server 1 is handled module 11 and is brought the score code 325 that communication module group 14 is received into reduction-type, obtain the actual score 324 and identity information 33 actual contents of score code 325 correspondences thus, for the actual score 324 of broadcasting server 1 end related personnel (as message program 31 hosts) according to each receiver 2 users (audience) acquisition, determine whether gift prize or carry out other mutual-action behavior, for example actual score 324 can be received one of classical music CD the audience more than 80 minutes, and because identity information 33 has comprised user's name as described above, address and phone are so can directly dispatch prize or carry out follow-up interaction according to identity information 33.
Above-mentioned actual score 324 is converted to the purpose of score code 325, is to make the audience owing to do not understand actual score 324 height of each score code 325 representative, so only can return broadcasting servers 1 and can't lie about unreal score with score code 325.
Corresponding above-mentioned interactive digital broadcast system, the present invention also discloses a kind of interactive digital broadcast method, below promptly cooperates the flow chart of earlier figures 1,2 and Fig. 3, is described in detail at the main implementation step of this method preferred embodiment.
At first shown in step 401,402, broadcasting server 1 broadcasting one message program 31 and a program information corresponding 32 signals, and received by a receiver 2, wherein comprise a plurality of problems 321 that produced at these message program 31 contents in the programme information 32, and the model answer 322 of a plurality of respectively corresponding each problem 321; To shown in 405, receiver 2 will be handled the message program 31 that the back obtains and broadcast as step 403, and show and handle each problem 321 that programme information 32 that the back obtains is comprised, and store the model answer 322 of each problem 321 correspondence in the programme information 32 simultaneously; To shown in 409, receiver 2 receives the identity information 33 and the answer 323 of answering of users' input as step 406, and after the stored model answer 322 relatively of will answer answer 323 and step 405, obtains an actual score 324 according to default standards of grading; To shown in 411, actual score 324 that receiver 2 further will relatively obtain and identity information 33 are brought a default change type into as step 410, after computing obtains a score code 325, show that score code 325 supplies the user to know; As step 412 to shown in 415, the user sees through receiver 2 again score code 325 is uploaded by broadcasting server 1 reception, broadcasting server 1 with score code 325 bring into one with the reduction-type of the reverse computing of this change type, obtain the actual score 324 and identity information 33 contents of score code 325 correspondences, and the actual score 323 that obtains according to each receiver 2 user, determine whether gift prize or carry out other mutual-action behavior, and according to identity information 33 contents and user's interaction.
The present invention also can do many variations in other is used, for example in step 410 to 412, receiver 2 is only brought actual score 324 into change type and computing acquisition score code 325, and identity information 33 is not brought into, or actual score 324 brings different change types into identity information 33, and then broadcasting server 1 oppositely obtains actual score 324 and identity information 33 with different reduction-types again; Or for example in step 412,413, the user transmits the message mode with phone or other, without the manager (as host) of receiver 2 with score code 325 repayment broadcasting servers 1 end, imports broadcasting server 1 by the manager again and carries out reverse computing; Or in step 412, receiver 2 is uploaded score code 325 automatically by broadcasting server 1 and is received.
The present invention also discloses a kind of digital broadcast method, one embodiment is shown in the flow chart of Fig. 4, its with the described embodiment of Fig. 3 in step 401 to 409 all identical, show directly promptly in step 410 that then actual score 324 supplies the user to know, and can be applicable to selftest as English on Air teaching, or other oneself comments the demand that measures examination.
Comprehensively above-mentioned, the invention provides a kind of interactive digital broadcast system and method, because the work that will count the score is dispersed to each receiver 2 end, so can alleviate the computational load of broadcasting server 1 end relatively, participate in for more audiences are interactive and improve service number, and, also can solve existing interactive program call-in circuit the line is busy problem because the audience only must return relatively more succinct score code 325; Be to pass down with written form to present because of each problem 321 in the programme information 32 simultaneously, give an oral account the exercise question mode compared to existing with the host, problem 321 contents of the present invention can be comparatively complicated abundant, as answering a song title, composer, composer nationality simultaneously, deliver the age etc., and there is not the shortcoming of audience's inconvenience memory; And because the work that counts the score is to be carried out by Automatic Program, thus not only quick and correct, more can show its advantage for a long time in problem 321 quantity especially.

Claims (10)

1, a kind of interactive digital broadcast system is characterized in that, comprising:
One server is broadcasted a program, at the problem of this programme content and a pair of model answer that should problem, and this server also stores a reduction-type; And
One receiver comprises:
One receives module, and this server receives this program, this problem and this model answer certainly;
One plays module, plays this program;
One shows module, shows this problem;
One input unit, for user input to the answer of answering that should problem;
One scoring module, relatively this model answer and this answer of answering, and obtain one of the corresponding score code of this answer of answering with one of the reverse change type computing of this reduction-type according to one;
One communication module group transmits this score code to this server, and via this reduction-type, computing obtains the actual score of this score code correspondence to this server of confession with this score code.
2, a kind of digit broadcasting receiver receives a program, at the problem of this programme content and a pair of model answer that should problem from a server, it is characterized in that this receiver comprises:
One receives module, and this server receives this program, this problem and this model answer certainly;
One plays module, plays this program;
One shows module, shows this problem;
One input unit, for user input to the answer of answering that should problem; And
One scoring module, relatively this model answer and this answer of answering, and obtain the corresponding score code of this answer of answering with the reverse change type computing of this reduction-type according to one;
One communication module group transmits this score code to this server, and via this reduction-type, computing obtains the actual score of this score code correspondence to this server of confession with this score code.
3, a kind of interactive digital broadcast method is applied to a digit broadcasting receiver, it is characterized in that, this method comprises the steps:
A. from a server receive a program, at least one at this programme content problem and at least one pair of should problem model answer;
B. play this program;
C. show this problem;
D. receive user input to the answer of answering that should problem;
E. relatively this model answer and this are answered answer and are obtained an actual score;
F. change this and actually must be divided into a score code;
G. show this score code, this score code returned this server for this user, this server again according to this score code to obtain this actual score with the reverse compute mode of step f.
4, interactive digital broadcast method as claimed in claim 3 is characterized in that, this program is a message program.
5, interactive digital broadcast method as claimed in claim 3, it is characterized in that, more this user identity information and this actual score is converted to this score code jointly among the step f, this server then more obtains this identity information according to this score code in the step g.
6, interactive digital broadcast method as claimed in claim 5 is characterized in that, this identity information comprise this user name, address and phone at least one.
7, a kind of interactive digital broadcast method is applied to a digital broadcast service device, it is characterized in that this method comprises the steps:
A. broadcast a program, at least one at this programme content problem and at least one pair of should problem model answer to a receiver;
B. receive a score code, this score code be this receiver relatively this model answer and one by user input answer answer after a change type obtained;
C. this score code is obtained this actual score via one with the reduction-type of the reverse computing of this change type.
8, interactive digital broadcast method as claimed in claim 7 is characterized in that, this program is a message program.
9, interactive digital broadcast method as claimed in claim 7 is characterized in that, receives this score code from this receiver among the step b.
10, interactive digital broadcast method as claimed in claim 7, it is characterized in that, this receiver more is converted to this score code jointly with this user identity information and this actual score among the step b, then more obtains this identity information according to this score code among the step c.
CNB2004100884672A 2004-10-29 2004-10-29 Interactive digital broadcast system and method Expired - Fee Related CN1319318C (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101072077B (en) * 2007-07-16 2011-08-17 倚天资讯股份有限公司 Digital broadcasting system and method joining with real-time information
US9230420B2 (en) * 2013-02-22 2016-01-05 Samsung Electronics Co., Ltd. Method and system for implementing alarms for medical device through mobile device
US10404784B2 (en) 2013-02-22 2019-09-03 Samsung Electronics Co., Ltd. Method and system for transmitting result of examination of specimen from medical device to destination
EP2770452A1 (en) 2013-02-22 2014-08-27 Samsung Electronics Co., Ltd. Method and system for transmitting result of examination of specimen from medical device to destination through mobile device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6302698B1 (en) * 1999-02-16 2001-10-16 Discourse Technologies, Inc. Method and apparatus for on-line teaching and learning
JP2002182552A (en) * 2000-12-12 2002-06-26 Nec Corp Information system using television broadcasting

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6302698B1 (en) * 1999-02-16 2001-10-16 Discourse Technologies, Inc. Method and apparatus for on-line teaching and learning
JP2002182552A (en) * 2000-12-12 2002-06-26 Nec Corp Information system using television broadcasting

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